27400022 has 16 divisors (see below), whose sum is σ = 46865952. Its totient is φ = 11902080.

The previous prime is 27400003. The next prime is 27400049. The reversal of 27400022 is 22000472.

It is a super-2 number, since 2×27400022² = 1501522411200968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30554 + ... + 31437.

It is an arithmetic number, because the mean of its divisors is an integer number (2929122).

Almost surely, 2^27400022 is an apocalyptic number.

27400022 is a deficient number, since it is larger than the sum of its proper divisors (19465930).

27400022 is a wasteful number, since it uses less digits than its factorization.

27400022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62023.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 27400022 is about 5234.5030327625. The cubic root of 27400022 is about 301.4743058354.

Adding to 27400022 its reverse (22000472), we get a palindrome (49400494).

The spelling of 27400022 in words is "twenty-seven million, four hundred thousand, twenty-two".